Stepped bristle array for a toothbrush head



FIG. 1 is a perspective view of my ornamental design for a stepped array of bristles for a toothbrush head;

FIG. 2 is a front view of the design thereof;

FIG. 3 is a rear view of the design thereof;

FIG. 4 is a plan, bottom view of the design thereof; and,

FIG. 5 is a plan, top view of the design thereof.

Fig. 6 is a side view of the design thereof.

The structures shown in broken lines in the Figs. form no part of the claimed design and are included only to illustrate an environment. 

The ornamental design for a stepped bristle array for a toothbrush head, as shown and described. 